1. Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables;Abramowitz,1964
2. Fundamental solutions for the Tricomi operator. I, II, III;Barros-Neto;Duke Math. J.,1999
3. Higher Transcendental Functions, vols. 1, 2;Bateman,1953
4. Mathematical Aspects of Subsonic and Transonic Gas Dynamics;Bers,1958
5. Transonic Aerodynamics;Cole,1986